try { f1.getDir(project); fail("Can make circular reference."); } catch (BuildException be) { assertEquals("This data type contains a circular reference.", be.getMessage()); } try { f1.getDirectoryScanner(project); fail("Can make circular reference."); } catch (BuildException be) { assertEquals("This data type contains a circular reference.", be.getMessage()); }
try { f.getDir(project); fail("Can make FileList a Reference to itself."); } catch (BuildException be) { assertEquals("This data type contains a circular reference.", be.getMessage()); } try { f.getFiles(project); fail("Can make FileList a Reference to itself."); } catch (BuildException be) { assertEquals("This data type contains a circular reference.", be.getMessage()); }
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/tests/junit/org/apache/tools/ant/types/AbstractFileSetTest.java File path: /apache-ant-1.7.0/src/tests/junit/org/apache/tools/ant/types/FileListTest.java
Method name: void testCircularReferenceCheck() Method name: void testCircularReferenceCheck()
Number of AST nodes: 6 Number of AST nodes: 6
1
try {
1
try {
2
            f1.getDir(project);
2
            f.getDir(project);
3
            fail("Can make circular reference.");
3
            fail("Can make FileList a Reference to itself.");
4
        } catch (BuildException be) {
4
        } catch (BuildException be) {
5
            assertEquals("This data type contains a circular reference.",
5
            assertEquals("This data type contains a circular reference.",
6
                         be.getMessage());
6
                         be.getMessage());
7
        }
7
        }
8
        try {
8
        try {
9
            f1.getDirectoryScanner(project);
9
            f.getFiles(project);
10
            fail("Can make circular reference.");
10
            fail("Can make FileList a Reference to itself.");
11
        } catch (BuildException be) {
11
        } catch (BuildException be) {
12
            assertEquals("This data type contains a circular reference.",
12
            assertEquals("This data type contains a circular reference.",
13
                         be.getMessage());
13
                         be.getMessage());
14
        }
14
        }
Summary
Number of common nesting structure subtrees1
Number of refactorable cases0
Number of non-refactorable cases1
Time elapsed for finding largest common nesting structure subtrees (ms)0.8
Clones locationClones are in different classes having the same super class
Number of node comparisons28
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements5
    Number of unmapped statements in the first code fragment1
    Number of unmapped statements in the second code fragment1
    Time elapsed for statement mapping (ms)13.7
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    19
    try
    4
    try
    20
    f1.getDir(project);
    20
    f1.getDir(project);
    5
    f.getDir(project);
    Differences
    Expression1Expression2Difference
    f1fVARIABLE_NAME_MISMATCH
    org.apache.tools.ant.types.AbstractFileSetorg.apache.tools.ant.types.FileListSUBCLASS_TYPE_MISMATCH
    Preondition Violations
    Expression f1 cannot be unified with expression f , because common superclass org.apache.tools.ant.types.DataType does not declare member(s) public synchronized java.io.File getDir(org.apache.tools.ant.Project)
    5
    f.getDir(project);
    21
    fail("Can make circular reference.");
    21
    fail("Can make circular reference.");
    6
    fail("Can make FileList a Reference to itself.");
    Differences
    Expression1Expression2Difference
    "Can make circular reference.""Can make FileList a Reference to itself."LITERAL_VALUE_MISMATCH
    6
    fail("Can make FileList a Reference to itself.");
    22
    try
    7
    try
                                                  
    8
    f.getFiles(project);
    Preondition Violations
    Unmatched statement f.getFiles(project); cannot be moved before or after the extracted code, because it throws exception(s) that should be caught by a try block that will be extracted
    8
    f.getFiles(project);
    23
    f1.getDirectoryScanner(project);
    23
    f1.getDirectoryScanner(project);
    Preondition Violations
    Unmatched statement f1.getDirectoryScanner(project); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    Unmatched statement f1.getDirectoryScanner(project); cannot be moved before or after the extracted code, because it throws exception(s) that should be caught by a try block that will be extracted
                                                                            
    24
    fail("Can make circular reference.");
    24
    fail("Can make circular reference.");
    9
    fail("Can make FileList a Reference to itself.");
    Differences
    Expression1Expression2Difference
    "Can make circular reference.""Can make FileList a Reference to itself."LITERAL_VALUE_MISMATCH
    9
    fail("Can make FileList a Reference to itself.");
    Precondition Violations (5)
    Row Violation
    1Expression f1 cannot be unified with expression f , because common superclass org.apache.tools.ant.types.DataType does not declare member(s) public synchronized java.io.File getDir(org.apache.tools.ant.Project)
    2Unmatched statement f.getFiles(project); cannot be moved before or after the extracted code, because it throws exception(s) that should be caught by a try block that will be extracted
    3Unmatched statement f1.getDirectoryScanner(project); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    4Unmatched statement f1.getDirectoryScanner(project); cannot be moved before or after the extracted code, because it throws exception(s) that should be caught by a try block that will be extracted
    5The refactoring of the clones is infeasible, because classes org.apache.tools.ant.types.AbstractFileSetTest and org.apache.tools.ant.types.FileListTest do not have a common superclass